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Date:      Thu, 23 Nov 2023 12:52:48 -0800
From:      "James Miller" <jimomak@os3.org>
To:        "mike tancsa" <mike@sentex.net>
Cc:        "Julien Cigar" <julien@perdition.city>, infoomatic <infoomatic@gmx.at>, questions@freebsd.org
Subject:   Re: OpenZFS 2.2 -> 2.2.1 Block Cloning Bug Data Corruption
Message-ID:  <be1e4010-9755-413b-804b-ab28e0a15e30@OS3>
In-Reply-To: <35b0d223-6b92-4c3e-9331-e356e6977bb0@sentex.net>
References:  <86c822d2-751a-43b6-a8ee-068429b5bc24@gmx.at> <CAFYkXjkb0P71=kDfG_TFz_hi4BbmMWGm5tcWG0Y-5fVCSnEeLw@mail.gmail.com> <hn7mmi5kthzuoohneh3rmz2zxb6gsku7zkkptmnornafygfejc@563asdybzgxo> <iib7hdv4ihdwha6pkp6vkcaqxo2p5zsipzhzdrdvar6jkoma7g@4iz2zprub56t> <35b0d223-6b92-4c3e-9331-e356e6977bb0@sentex.net>

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Please help me. How may I unsubscribe from this email. It is flooding my =
email server.
=C2=A0
=C2=A0 James Miller
(425) 471-8101
www.electionhope.com (http://www.electionhope.com)
www.os3.org (http://www.os3.org)
=22If the mind is blind, the eye cannot see=22

=C2=A0
On 2023-11-23 12:01, mike tancsa  <mike=40sentex.net>  wrote:
> On 11/23/2023 8:36 AM, Julien Cigar wrote:
> >  On Thu, Nov 23, 2023 at 01:07:33PM +0100, infoomatic wrote:
> >>  On 23.11.23 12:05, Julien Cigar wrote:
> >>>  On Thu, Nov 23, 2023 at 02:20:49AM +0100, Tomek CEDRO wrote:
> >>>>  https://www.phoronix.com/news/OpenZ=46S-2.2.1-Released
> >>>  =46ortunately block cloning is disabled by default on 14.0-RELEASE=
,
> >>>  (see vfs.zfs.bclone=5Fenabled)
> >>>
> >>  I would not be too sure about that, see =5B1=5D. It seems just that=
 with
> >>  this option disabled it is much harder to hit the bug.
> >>
> >>  =5B1=5D https://github.com/openzfs/zfs/issues/15526=23issuecomment-=
1823857131
> >  Ah, thanks for the link..=21 I hope an EN will be published ASAP the=
n, it
> >  looks a serious issue..
>
> Am I right in reading
> sudo sysctl -w vfs.zfs.dmu=5Foffset=5Fnext=5Fsync=3D0
>
> to work around the issue for now =3F
>
>      ---Mike
>
>
>
>

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<div>Please help me. How may I unsubscribe from this email. It is floodin=
g my email server.</div>
<div>&nbsp;</div>
<div class=3D=22syno-mc-signature syno-mc-signature-id-2=22>
<div>&nbsp;James Miller</div>
<div>(425) 471-8101</div>
<div><a href=3D=22http://www.electionhope.com=22 target=3D=22=5Fblank=22 =
rel=3D=22noopener noreferrer=22>www.electionhope.com</a></div>
<div><a href=3D=22http://www.os3.org=22 target=3D=22=5Fblank=22 rel=3D=22=
noopener noreferrer=22>www.os3.org</a></div>
<div>=22If the mind is blind, the eye cannot see=22</div>
</div>
<div>&nbsp;</div>
<div class=3D=22=22>
<div>On 2023-11-23 12:01, mike tancsa &lt;mike=40sentex.net&gt; wrote:</d=
iv>
<blockquote class=3D=22syno-mc-blockquote=22 style=3D=22padding-left: 5px=
; margin-left: 5px; border-left: =23c8d2dc 2px solid;=22>
<pre>On 11/23/2023 8:36 AM, Julien Cigar wrote:<br />&gt; On Thu, Nov 23,=
 2023 at 01:07:33PM +0100, infoomatic wrote:<br />&gt;&gt; On 23.11.23 12=
:05, Julien Cigar wrote:<br />&gt;&gt;&gt; On Thu, Nov 23, 2023 at 02:20:=
49AM +0100, Tomek CEDRO wrote:<br />&gt;&gt;&gt;&gt; https://www.phoronix=
.com/news/OpenZ=46S-2.2.1-Released<br />&gt;&gt;&gt; =46ortunately block =
cloning is disabled by default on 14.0-RELEASE,<br />&gt;&gt;&gt; (see vf=
s.zfs.bclone=5Fenabled)<br />&gt;&gt;&gt;<br />&gt;&gt; I would not be to=
o sure about that, see =5B1=5D. It seems just that with<br />&gt;&gt; thi=
s option disabled it is much harder to hit the bug.<br />&gt;&gt;<br />&g=
t;&gt; =5B1=5D https://github.com/openzfs/zfs/issues/15526=23issuecomment=
-1823857131<br />&gt; Ah, thanks for the link..=21 I hope an EN will be p=
ublished ASAP then, it<br />&gt; looks a serious issue..<br /><br />Am I =
right in reading<br />sudo sysctl -w vfs.zfs.dmu=5Foffset=5Fnext=5Fsync=3D=
0<br /><br />to work around the issue for now =3F<br /><br />     ---Mike=
<br /><br /><br /><br /><br /></pre></blockquote>
</div>


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